Subject: RE: [xsl] Reference to variable cannot be resolved. From: "Michael Kay" <michael.h.kay@xxxxxxxxxxxx> Date: Sat, 15 Feb 2003 08:16:40 -0000 |
> > The example given in the spec seems a bit misleading, because > it really illustrates the restrictions of scope and not the > practice of shadowing. The following is illegal in either spec: > > <xsl:template match="/"> > <xsl:variable name="x" select="1"/> > <xsl:variable name="x" select="$x+1"/> > <xsl:value-of select="$x"/> > </xsl:template> > I regret to say that (unless I've missed something) the above is completely legal in XSLT 2.0. I fought hard to disallow this, because I know how many beginners misunderstand variables, and lost. There are too many people steeped in functional programming who can't see why it's a problem. I'm sure the debate is one that will be revived during the public comments cycle - as I said, it's a bicycle shed issue. Michael Kay Software AG home: Michael.H.Kay@xxxxxxxxxxxx work: Michael.Kay@xxxxxxxxxxxxxx XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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